O Tempo Dos Duendes

Blurb

The Goblin Reservation is a 1968 science fiction novel by Clifford D. Simak, featuring an educated Neanderthal, a biomechanical sabertooth tiger, aliens that move about on wheels, a man who timetravels using an unreliable device implanted in his brain, a ghost, trolls, banshees, goblins, a dragon and even Shakespeare himself. The Goblin Reservation was a Hugo Award nominee in 1969 and was originally serialized in Galaxy Science Fiction magazine.
The Goblin Reservation is the tale of Professor Peter Maxwell. It is set in the distant future when the Earth has been transformed into a university planet; a planet where creatures from all over the galaxy come to study, teach, and be entertained by the amazing discoveries that Earth is now rich with. Among the many things that Earth can now boast is Time University: a university devoted to slipping through time and discovering the truth about past events. People and creatures from the past are brought forward in time to be interviewed, studied and to provide entertainment for the people of the future. Among these are Alley Oop, a very smart, if at times crude, Neanderthal rescued from certain death and educated in the future.